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Recycling of sago (Metroxylon sagu) bagasse with chicken manure slurry through co-composting


Ch'ng, Huck Ywih and Ahmad, Osumanu Haruna and Kasim, Susilawati and Nik Majid, Nik Muhamad (2014) Recycling of sago (Metroxylon sagu) bagasse with chicken manure slurry through co-composting. Journal of Agricultural Science and Technology, 16 (6). art. no. 21. pp. 1441-1454. ISSN 1680-7073; ESSN: 2345-3737


Mass generation of bagasse wastes from every 100 kg of sago starch pith being processed are likely to pollute the water when they are discarded into rivers. The increase of livestock production increases manure production and improper management of these manures will pollute the soil and environment, and causing diseases outbreak. Co-composting of sago bagasse and chicken manure could serve as a viable alternative of managing these wastes. In order to reduce pollution, the objective of this study was to co-compost sago bagasse and chicken manure slurry to obtain a high quality organic fertilizer. The sago bagasse was thoroughly mixed with chicken manure slurry, chicken feed, and molasses in polystyrene boxes. Co-compost temperature readings were taken 3 times daily. Nitrogen and P concentrations increased (1.46 and 0.12%, respectively), whereas C content decreased (48.6%) throughout the co-composting. The CEC increased from 45.7 to 68.3 cmol kg-1 indicating humified organic material. By the end of co-composting, humic acid and ash contents also increased from 7.3 to 10.0% and 7.1 to 11.6%, respectively. The pH of the co-compost increased from 4.78 to 7.21. The final co-compost had no foul odour, but it had low heavy metals content, and a desired amount of nutrients. Seed germination indices of phytotoxicity test were above 80% of final co-compost. Co-compost product with balanced nutrients content can be produced by co-composting sago bagasse and chicken manure slurry.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture and Food Sciences
Institute of Tropical Forestry and Forest Products
Publisher: University of Tarbiat Modares
Keywords: Agricultural waste management; Humic acid; Organic fertilizer; Phytotoxicity test
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 31 Dec 2015 02:11
Last Modified: 31 Dec 2015 02:11
URI: http://psasir.upm.edu.my/id/eprint/35182
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